Enviro Sci Unit 9 Test–Sustainable Forest

Multiple Choice: Which of the following best describes a renewable resource?

• A natural resource that will never run out

• A material that humans can reuse through recycling

• A resource that replenishes through natural processes

• A man-made product that replaces a natural one

Multiple Choice: Why is sustainability important when using renewable resources like forests?

• Because trees grow slowly and shouldn’t be harvested at all

• Because even renewable resources can be depleted if overused

• Because renewable resources are more expensive than nonrenewable resources

• Because renewable resources do not replenish over time

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Multiple Choice: Which list contains only renewable resources?

• Trees, wild animals, fresh water, soil

• Fresh water, oil, trees, coal

• Soil, gasoline, natural gas, wind

• Wild animals, plastic, sunlight, trees

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Multiple Choice: What is the main goal of resource management?

• Increase short-term profits from natural materials

• Ensure nature is left completely untouched

• Meet human needs while minimizing environmental damage

• Stop all logging and development activities

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Multiple Choice: Which statement about global forest cover is accurate?

• Forests now cover over half of Earth's land surface

• Forest area is increasing worldwide due to replanting efforts

• The amount of forest has remained the same for hundreds of years

• Forests cover about 31% of Earth, but that number is shrinking

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Multiple Choice: Which country has the largest total area of forested land?

• Canada

• United States

• Brazil

• Russia

Multiple Choice: How do forests support biodiversity?

• By making all species dependent on a single food source

• By eliminating competition between species

• By offering a wide range of habitats and niches

• By speeding up the growth of invasive species

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Multiple Choice: Why does a mature forest typically have greater biodiversity than a younger forest?

• It has fewer predators

• It contains a mix of tree ages and decaying wood that create diverse habitats

• It is less likely to experience weather changes

• It contains more invasive species, which support more biodiversity

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Multiple Choice: What role do tree roots play in soil health?

• They hold soil in place and reduce erosion

• They produce nitrogen for plants to grow

• They release carbon dioxide into the soil to break down rocks

• They create tunnels for insects to increase decomposition

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Multiple Choice: How do trees help reduce climate change?

• By reflecting sunlight off their leaves

• By trapping warm air near the surface

• By increasing wind flow in urban areas

• By absorbing carbon dioxide during photosynthesis

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